*[[Problem 1721 - Christmas Tree 1>http://herbert.tealang.info/problem.php?id=1721]] [#t0457601] [[prev>Problem 1720]] | [[next>Problem 1722]] #get_img(1721) #br |Author|Limit|h |snuke|17| #br **関連 [#p5645dcb] #br **コメント [#w5fa4247] #pcomment(reply)